Re: [PATCH] fs: cifs: drop unneeded likely() call around IS_ERR()

From: Steve French
Date: Wed Jun 05 2019 - 17:56:47 EST


This duplicates a patch submitted earlier by Kefeng Wang
<wangkefeng.wang@xxxxxxxxxx> which I plan to merge later today into
cifs-2.6.git for-next

On Wed, Jun 5, 2019 at 4:14 PM Enrico Weigelt, metux IT consult
<info@xxxxxxxxx> wrote:
>
> From: Enrico Weigelt <info@xxxxxxxxx>
>
> IS_ERR() already calls unlikely(), so this extra unlikely() call
> around IS_ERR() is not needed.
>
> Signed-off-by: Enrico Weigelt <info@xxxxxxxxx>
> ---
> fs/cifs/dfs_cache.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/cifs/dfs_cache.c b/fs/cifs/dfs_cache.c
> index e3e1c13..1692c0c 100644
> --- a/fs/cifs/dfs_cache.c
> +++ b/fs/cifs/dfs_cache.c
> @@ -492,7 +492,7 @@ static struct dfs_cache_entry *__find_cache_entry(unsigned int hash,
> #ifdef CONFIG_CIFS_DEBUG2
> char *name = get_tgt_name(ce);
>
> - if (unlikely(IS_ERR(name))) {
> + if (IS_ERR(name)) {
> rcu_read_unlock();
> return ERR_CAST(name);
> }
> --
> 1.9.1
>


--
Thanks,

Steve